713487025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 998936064

約数和(自身を除く): 285449039

約数列:

[1, 5, 17, 23, 25, 47, 85, 115, 235, 391, 425, 575, 799, 1081, 1175, 1553, 1955, 3995, 5405, 7765, 9775, 18377, 19975, 26401, 27025, 35719, 38825, 72991, 91885, 132005, 178595, 364955, 459425, 607223, 660025, 892975, 1240847, 1678793, 1824775, 3036115, 6204235, 8393965, 15180575, 28539481, 31021175, 41969825, 142697405, 713487025]

約数ペア:

[(1, 713487025), (5, 142697405), (17, 41969825), (23, 31021175), (25, 28539481), (47, 15180575), (85, 8393965), (115, 6204235), (235, 3036115), (391, 1824775), (425, 1678793), (575, 1240847), (799, 892975), (1081, 660025), (1175, 607223), (1553, 459425), (1955, 364955), (3995, 178595), (5405, 132005), (7765, 91885), (9775, 72991), (18377, 38825), (19975, 35719), (26401, 27025)]